Jonna Marika Tervomaa (b. January 7, 1973, Forssa) is a Finnish pop singer and songwriter. She became famous at the age of ten, when she won the song contest "Syksyn Sävel" with the song "Minttu sekä Ville". Tervomaa started her new, adult age career in 1998 with her self-titled album.

Tervomaa's biggest hits include "Suljettu sydän" (1998), "Yhtä en saa" (1999), "Rakkauden haudalla" (Helmiä ja sikoja soundtrack, 2003), "Myöhemmin" (2004) and "Se ei kuulu mulle" (2004).

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